Originally Posted by
Philh
I have found the cause - At the delivery (receiving) end of the machine there are two black transfer sensor belts about 1/2" wide which are spring loaded onto a small shaft with guide pulleys. One of these had slipped sideways and was not seated properly on the pulley, so the 2 belts were not in parallel with each other. Maybe the belt was put out of alignment with a manilla 6x9 envelope which had been running at the time?
Anyway, once I positioned that belt correctly the code instantly disappeared and everything ran fine again. I still do not understand how it sensed a jam as the belts were still transporting despite there being nothing to actually transport at that stage?
Anyway, thanks for the suggestions which were very valid. Must admit I did not think about the excess ink possibility causing sticking for 1 revolution. This is a great forum and I have learned a lot from it just by reading the posts on copiers and digital duplicators.
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